Local Calling Guide

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NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 815

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-815 A Chamberlain SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640      
605-815 0 Chamberlain SD   073H TELNYX LLC 640   2019-09-23   
605-815 1 Chamberlain SD   580H AIRUS, INC. - SD 640   2019-06-28   
605-815 2 Chamberlain SD   162G ONVOY, LLC - SD 640   2021-07-08   
605-815 3 Chamberlain SD   162G ONVOY, LLC - SD 640   2020-12-07   
605-815 4 Chamberlain SD   162G ONVOY, LLC - SD 640   2020-12-07   
605-815 5 Chamberlain SD   162G ONVOY, LLC - SD 640   2020-08-21   
605-815 6 Chamberlain SD   162G ONVOY, LLC - SD 640   2020-08-21   
605-815 7 Chamberlain SD   624H ONVOY SPECTRUM, LLC 640   2021-07-18   
605-815 8 Chamberlain SD   580H AIRUS, INC. - SD 640   2025-05-12   
605-815 9 Chamberlain SD   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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